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Best oil for very worn engine 700 1986

posted by  jadnhm on  Thu Dec 20 02:43 CST 2007
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last visit: Tue May 22 18:03 CST 2012
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Hello everyone,

I've been doing some thinking about my oil lately.

I live in NB, Canada, and we've been having a very cold winter.

I think if I had a new(ish) engine I'd be using a 0w-40 synthetic this winter, but I'm reluctant to switch to such an oil as my engine is very worn (435k km, lots of classic mid-80's-redblock-turbo rod & wrist pin noise & worn-out-valve-cushion noise).

Are mineral oils better for badly worn engines like mine?
Is there any reason to use/not use synthetic oil in a badly worn engine?

Are the "High Mileage" oils anything special? I haven't been able to find the multigrade specs I want in the special high mileage oils, but I can look harder if anyone thinks it's worth it.
--
1986 760 (B230FT) 420k+






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New Best oil for very worn engine [700][1986]
posted by  jadnhm subscriber  on Thu Dec 20 02:43 CST 2007 >


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